What is a catalyst?

A substance that provides a convenient pathway for a reaction to occur requiring less energy than the activation energy of the reaction.

TD
Answered by Tutor598438 D. Chemistry tutor

2211 Views

See similar Chemistry GCSE tutors

Related Chemistry GCSE answers

All answers ▸

Define an isotope.


How many electrons are in a chloride ion Cl- and how are they arranged in the shells? a periodic table can be used.


Plan an experiment that would allow you to determine the maximum voltage that can be achieved using strips of lithium, zinc, copper and aluminium.


The equation for the reaction of carbon and nickel dioxide is: NiO + C ----> CO + Ni Calculate the percentage atom economy of this reaction to produce nickel to 3 significant figures.


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning